Aldegondaberget
Reconstruction uncertainty 15 Projection accuracy 3 Reprojection error 0,3 Dense Cloud Confidence 7-255 Connected component size 99%
10 September 2022
Survey Data
Fig. 1. Camera locations and image overlap.
| Camera Model | Resolution | Focal Length | Pixel Size | Precalibrated |
| Test_Pro (10.26mm) | 5472 x 3648 | 10.26 mm | 2.41 x 2.41 μm | No |
Table 1. Cameras.
Camera Calibration
Fig. 2. Image residuals for Test_Pro (10.26mm).
| Test_Pro (10.26mm) |
| 1471 images |
| Type | Resolution | Focal Length | Pixel Size |
| Frame | 5472 x 3648 | 10.26 mm | 2.41 x 2.41 μm |
| Value | Error | F | Cx | Cy | K1 | K2 | K3 | P1 | P2 | |
| F | 4337.92 | 0.013 | 1.00 | 0.01 | -0.53 | -0.02 | 0.10 | -0.10 | 0.01 | -0.14 |
| Cx | 11.4638 | 0.021 | 1.00 | 0.07 | 0.00 | -0.01 | 0.01 | 0.94 | 0.08 | |
| Cy | -52.2679 | 0.018 | 1.00 | -0.08 | 0.04 | -0.03 | 0.07 | 0.64 | ||
| K1 | 0.00243858 | 7.2e-06 | 1.00 | -0.95 | 0.88 | 0.00 | -0.12 | |||
| K2 | 0.018781 | 2.9e-05 | 1.00 | -0.98 | -0.01 | 0.04 | ||||
| K3 | -0.0217357 | 3.6e-05 | 1.00 | 0.01 | -0.03 | |||||
| P1 | 0.000564432 | 1.4e-06 | 1.00 | 0.09 | ||||||
| P2 | -0.00325986 | 8.1e-07 | 1.00 |
Table 2. Calibration coefficients and correlation matrix.
Camera Locations
Fig. 3. Camera locations and error estimates.
Z error is represented by ellipse color. X,Y errors are represented by ellipse shape.
Estimated camera locations are marked with a black dot.
| X error (m) | Y error (m) | Z error (m) | XY error (m) | Total error (m) |
| 2.53035 | 1.86553 | 2.17319 | 3.1437 | 3.82173 |
Table 3. Average camera location error.
X - Longitude, Y - Latitude, Z - Altitude.
Digital Elevation Model
Fig. 4. Reconstructed digital elevation model.
Processing Parameters
| General | |
| Cameras | 1471 |
| Aligned cameras | 1471 |
| Coordinate system | WGS 84 (EPSG::4326) |
| Rotation angles | Yaw, Pitch, Roll |
| Point Cloud | |
| Points | 1,253,745 of 9,396,807 |
| RMS reprojection error | 0.150754 (0.206954 pix) |
| Max reprojection error | 0.3 (2.22895 pix) |
| Mean key point size | 1.34875 pix |
| Point colors | 3 bands, uint8 |
| Key points | No |
| Average tie point multiplicity | 3.65127 |
| Alignment parameters | |
| Accuracy | Highest |
| Generic preselection | Yes |
| Reference preselection | No |
| Key point limit | 60,000 |
| Key point limit per Mpx | 1,000 |
| Tie point limit | 0 |
| Exclude stationary tie points | Yes |
| Guided image matching | No |
| Adaptive camera model fitting | No |
| Matching time | 1 hours 9 minutes |
| Matching memory usage | 2.88 GB |
| Alignment time | 53 minutes 30 seconds |
| Alignment memory usage | 3.77 GB |
| Optimization parameters | |
| Parameters | f, cx, cy, k1-k3, p1, p2 |
| Adaptive camera model fitting | No |
| Optimization time | 1 minutes 12 seconds |
| Date created | 2022:09:08 14:01:55 |
| Software version | 1.8.4.14856 |
| File size | 579.31 MB |
| Depth Maps | |
| Count | 1470 |
| Depth maps generation parameters | |
| Quality | Medium |
| Filtering mode | Mild |
| Max neighbors | 16 |
| Processing time | 30 minutes 57 seconds |
| Memory usage | 1.47 GB |
| Date created | 2022:09:09 11:01:48 |
| Software version | 1.8.4.14856 |
| File size | 2.81 GB |
| Dense Point Cloud | |
| Points | 53,316,987 |
| Point colors | 3 bands, uint8 |
| Depth maps generation parameters | |
| Quality | Medium |
| Filtering mode | Mild |
| Max neighbors | 16 |
| Processing time | 30 minutes 57 seconds |
| Memory usage | 1.47 GB |
| Dense cloud generation parameters | |
| Processing time | 1 hours 59 minutes |
| Memory usage | 14.17 GB |
| Date created | 2022:09:09 13:00:58 |
| Software version | 1.8.4.14856 |
| File size | 1.09 GB |
| Model | |
| Faces | 1,863,004 |
| Vertices | 932,271 |
| Vertex colors | 3 bands, uint8 |
| Texture | 4,096 x 4,096 x 10, 4 bands, uint8 |
| Depth maps generation parameters | |
| Quality | Medium |
| Filtering mode | Mild |
| Max neighbors | 16 |
| Processing time | 30 minutes 57 seconds |
| Memory usage | 1.47 GB |
| Reconstruction parameters | |
| Surface type | Arbitrary |
| Source data | Dense cloud |
| Interpolation | Enabled |
| Strict volumetric masks | No |
| Processing time | 20 minutes 26 seconds |
| Memory usage | 9.44 GB |
| Texturing parameters | |
| Mapping mode | Generic |
| Blending mode | Mosaic |
| Texture size | 4,096 |
| Enable hole filling | Yes |
| Enable ghosting filter | Yes |
| UV mapping time | 53 seconds |
| UV mapping memory usage | 2.65 GB |
| Blending time | 12 minutes 58 seconds |
| Blending memory usage | 5.05 GB |
| Blending GPU memory usage | 4.46 GB |
| Date created | 2022:09:09 13:51:23 |
| Software version | 1.8.4.14856 |
| File size | 309.94 MB |
| Tiled Model | |
| Texture | 3 bands, uint8 |
| Depth maps generation parameters | |
| Quality | Medium |
| Filtering mode | Mild |
| Max neighbors | 16 |
| Processing time | 30 minutes 57 seconds |
| Memory usage | 1.47 GB |
| Reconstruction parameters | |
| Source data | Dense cloud |
| Tile size | 256 |
| Face count | Medium |
| Enable ghosting filter | No |
| Processing time | 2 hours 52 minutes |
| Memory usage | 5.14 GB |
| Date created | 2022:09:09 17:28:20 |
| Software version | 1.8.4.14856 |
| File size | 714.87 MB |
| System | |
| Software name | Agisoft Metashape Professional |
| Software version | 1.8.4 build 14856 |
| OS | Windows 64 bit |
| RAM | 127.78 GB |
| CPU | Intel(R) Core(TM) i9-9900K CPU @ 3.60GHz |
| GPU(s) | GeForce RTX 2080 |